255628580 has 12 divisors (see below), whose sum is σ = 536820060. Its totient is φ = 102251424.

The previous prime is 255628577. The next prime is 255628589. The reversal of 255628580 is 85826552.

255628580 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 178329316 + 77299264 = 13354^2 + 8792^2 .

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (255628589) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6390695 + ... + 6390734.

It is an arithmetic number, because the mean of its divisors is an integer number (44735005).

Almost surely, 2^255628580 is an apocalyptic number.

255628580 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255628580 is an abundant number, since it is smaller than the sum of its proper divisors (281191480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

255628580 is a wasteful number, since it uses less digits than its factorization.

255628580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12781438 (or 12781436 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 41.

The square root of 255628580 is about 15988.3889119573. The cubic root of 255628580 is about 634.6531927314.

The spelling of 255628580 in words is "two hundred fifty-five million, six hundred twenty-eight thousand, five hundred eighty".